Evaluate Using Scientific Notation (8*10^-5)(7*10^-3)

$(8 \cdot 10^{- 5}) (7 \cdot 10^{- 3})$

Group coefficients together and exponents together to multiply numbers in scientific notation.

$(8 \cdot 7) (10^{- 5} \cdot 10^{- 3})$

Multiply $8$ by $7$ .

$56 (10^{- 5} \cdot 10^{- 3})$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$56 \cdot 10^{- 5 - 3}$

Subtract $3$ from $- 5$ .

$56 \cdot 10^{- 8}$

Write $56 \cdot 10^{- 8}$ in proper scientific notation.

$5.6 \cdot 10^{- 7}$

Evaluate Using Scientific Notation (8*10^-5)(7*10^-3)

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